PurchaseOrder Display(Data)

src/main/java/org/example/petshopdesktop/DTOs/PurchaseOrderDTO.java

@@ -1,57 +1,25 @@
 package org.example.petshopdesktop.DTOs;
 
+import javafx.beans.property.*;
+
 public class PurchaseOrderDTO {
 
-    private int purchaseOrderId;
-    private String supplierName;
-    private String productName;
-    private int quantity;
-    private double unitCost;
-    private String orderDate;
-    private String status;
+    private IntegerProperty purchaseOrderId;
+    private StringProperty supplierName;
+    private StringProperty orderDate;
+    private StringProperty status;
 
-    public PurchaseOrderDTO(int purchaseOrderId,
-                            String supplierName,
-                            String productName,
-                            int quantity,
-                            double unitCost,
-                            String orderDate,
-                            String status) {
+    public PurchaseOrderDTO(int id, String supplierName,
+                            String orderDate, String status) {
 
-        this.purchaseOrderId = purchaseOrderId;
-        this.supplierName = supplierName;
-        this.productName = productName;
-        this.quantity = quantity;
-        this.unitCost = unitCost;
-        this.orderDate = orderDate;
-        this.status = status;
+        this.purchaseOrderId = new SimpleIntegerProperty(id);
+        this.supplierName = new SimpleStringProperty(supplierName);
+        this.orderDate = new SimpleStringProperty(orderDate);
+        this.status = new SimpleStringProperty(status);
     }
 
-    public int getPurchaseOrderId() {
-        return purchaseOrderId;
-    }
-
-    public String getSupplierName() {
-        return supplierName;
-    }
-
-    public String getProductName() {
-        return productName;
-    }
-
-    public int getQuantity() {
-        return quantity;
-    }
-
-    public double getUnitCost() {
-        return unitCost;
-    }
-
-    public String getOrderDate() {
-        return orderDate;
-    }
-
-    public String getStatus() {
-        return status;
-    }
+    public int getPurchaseOrderId() { return purchaseOrderId.get(); }
+    public String getSupplierName() { return supplierName.get(); }
+    public String getOrderDate() { return orderDate.get(); }
+    public String getStatus() { return status.get(); }
 }

src/main/java/org/example/petshopdesktop/controllers/PurchaseOrderController.java

@@ -2,26 +2,53 @@ package org.example.petshopdesktop.controllers;
 
 import javafx.fxml.FXML;
 import javafx.scene.control.*;
+import javafx.scene.control.cell.PropertyValueFactory;
+import org.example.petshopdesktop.DTOs.PurchaseOrderDTO;
+import org.example.petshopdesktop.database.PurchaseOrderDB;
 
 public class PurchaseOrderController {
 
     @FXML private Button btnRefresh;
-    @FXML private TextField txtSearch;
 
-    @FXML private TableView<?> tvPurchaseOrders;
+    @FXML private TableView<PurchaseOrderDTO> tvPurchaseOrders;
 
-    @FXML private TableColumn<?, ?> colOrderId;
-    @FXML private TableColumn<?, ?> colSupplier;
-    @FXML private TableColumn<?, ?> colOrderDate;
-    @FXML private TableColumn<?, ?> colStatus;
+    @FXML private TableColumn<PurchaseOrderDTO,Integer> colOrderId;
+    @FXML private TableColumn<PurchaseOrderDTO,String> colSupplier;
+    @FXML private TableColumn<PurchaseOrderDTO,String> colOrderDate;
+    @FXML private TableColumn<PurchaseOrderDTO,String> colStatus;
 
     @FXML
     public void initialize() {
-        // View-only page for now
+
+        colOrderId.setCellValueFactory(
+                new PropertyValueFactory<>("purchaseOrderId"));
+
+        colSupplier.setCellValueFactory(
+                new PropertyValueFactory<>("supplierName"));
+
+        colOrderDate.setCellValueFactory(
+                new PropertyValueFactory<>("orderDate"));
+
+        colStatus.setCellValueFactory(
+                new PropertyValueFactory<>("status"));
+
+        loadPurchaseOrders();
+    }
+
+    private void loadPurchaseOrders() {
+        try {
+            tvPurchaseOrders.setItems(
+                    PurchaseOrderDB.getPurchaseOrders()
+            );
+        } catch (Exception e) {
+            e.printStackTrace();
+            new Alert(Alert.AlertType.ERROR,
+                    "Unable to load purchase orders").showAndWait();
+        }
     }
 
     @FXML
     void btnRefresh() {
-        // Later: reload data
+        loadPurchaseOrders();
     }
-}
+}

src/main/java/org/example/petshopdesktop/database/PurchaseOrderDB.java

@@ -18,16 +18,12 @@ public class PurchaseOrderDB {
 
         String sql = """
             SELECT po.purchaseOrderId,
-                   s.supCompany AS supplierName,
-                   p.prodName AS productName,
-                   poi.quantity,
-                   poi.unitCost,
+                   s.supCompany,
                    po.orderDate,
                    po.status
             FROM purchaseOrder po
             JOIN supplier s ON po.supId = s.supId
-            JOIN purchaseOrderItem poi ON po.purchaseOrderId = poi.purchaseOrderId
-            JOIN product p ON poi.prodId = p.prodId
+            ORDER BY po.purchaseOrderId
         """;
 
         Statement stmt = conn.createStatement();
@@ -37,10 +33,7 @@ public class PurchaseOrderDB {
 
             list.add(new PurchaseOrderDTO(
                     rs.getInt("purchaseOrderId"),
-                    rs.getString("supplierName"),
-                    rs.getString("productName"),
-                    rs.getInt("quantity"),
-                    rs.getDouble("unitCost"),
+                    rs.getString("supCompany"),
                     rs.getString("orderDate"),
                     rs.getString("status")
             ));